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뭉툭맵시벌아과(벌목:맵시벌과)의 분류와 계통 : Ⅰ. 현상학적 분석 Ⅰ. Phenetic analysis
이종욱,차진열,박원학 嶺南大學校 基礎科學硏究所 1995 基礎科學硏究 Vol.15 No.-
For the phenetic analysis of the subfamily Tryphoninae(Hymenoptera:Ichneumonidae), specimens were collected from March of 1988 to September of 1995 in the southem part of Korean peninsula. Specimens were also obtained from various museums and laboratories both in Korea and other counteries. This research utilized about 1000 domestic specimens and 3010 foregin specimens including 10 specimens from North Korea. Phenetic analysis was performed using these specimens (39 genera 39 species)and the following results were obtained. In the cluster analysis, the ward method is more effective than the average linkage method (within group and between group), while the use of total characteristics was resulted in more stable grouping than only quantitative or qualitative characteristics. The cluster and discriminant analyses suggested that the Townes(1969) and Townes et al.(1992)'s system is well fit for the classification of Tryphoninae. For the subfamiliar classification, the analyses of total characteristics by ward method resulted in the most accetable grouping.
고강도 콘크리트(80MPa이상)를 이용한 콘크리트충전강관구조 적용을 위한 기초물성 연구
이장환,강용학,정근호,김진호,정상진,최문식 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
One of the most important reasons that CFT is used in many conditions is by using that we can achieve the effect, which reduce the section of the member. This research purpose to find the most ideal composition, which is achieved by the investigation in the concrete's property of matter like ability of Slump, Slump Flow, Air content, Bleeding, and Settlement when the high strength of concrete which is over 80MPa is used m the CFT column.
李容鶴,文學鎭 수원대학교 기업경영연구소 1992 企業經營硏究 Vol.1 No.-
Korean Aluminium Foil Industry has grown, during the last five years, as the average annul growth rate was 19.1%, But in the late 80's, with the new foil manufacturers participation, the already established manufacturers have worried over the increased production capacity. The industry is in a transitional stage changing from excess demand to excess supply. The study suggests the marketing strategy for the Korean Aluminium Foil industry as follows. First, the industry needs to reform its management from the reproduction emphasis to marketing emphasis. With the product surplus, the manufacturers have to sell to survive by the circulation of production -sales-reproduction. Second, through a marketing mix, the industry has to promote a new demand and enhance the marketability without pricing competitiveness. There has to be an effort to develop a new product, as well as enhancing the product quality. Third, aggressive export strategy has to be developed. And lastly, Green Marketing should be introduced into the Aluminium Foil industry.
李學沂,林龍進,沈相喆 경북대학교 공과대학 1971 工大硏究誌 Vol.1 No.-
The pyrolysis of dry lithiun salt of fumaraldehyde tosylhydrazone which was prepared by reacting fumaraldehyde and tosylhydrazine was studied. The products of therm a decomposition, acetylene, ethytlene and unidentified gaseous substances, were separated by GC to learn the ratio of the products which was variable according to the reaction conditions. The investigaton of the path route to form acetylene, ethylene and unidentified compounds remains for further work to learn the mechanism of tetrahedrane formation.
서중조건하에서의 콘크리트 충전 강관 기둥의 시공을 위한 실험적 연구
이장환,강용학,정근호,김진호,최문식,정상진 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1(구조계)
The basic Physical properties, Slump, Slump flow, Air content, Bleeding, and Settlement of concrete was investigated to test Characteristic of Setting and to evaluate the relation between Model specimen and Heat of hydration for construction Over the High Temperature(CFT). The objective of this study is to take the partial core after the cementation of Model specimen, test the compression intensity and analyze the relation to Test piece.
난소절제후 Estrogen을 투여한 흰쥐 대동맥에서 Protein Kinase C-α와 Fas 발현의 변화
이왕수,이상엽,안지현,송영빈,김학진,이광재,유재격,김상욱,김태호,김치정,류왕성 중앙대학교 의과대학 의과학연구소 2001 中央醫大誌 Vol.26 No.3
Estrogen is believed to decrease coronary artery disease. Protein kinase C-α(PKCα)appear to be important in signal conduction pathways. Estrogen treatment increases catalytic activity of PKCα,and activation of PKCαcan modulate estrogen receptor levels and responsiveness. And it was reported that activation of PKC can protect cells from apoptosis induced by Fas ligation. But the beneficial effect of estrogen on PKCαwas not clearly demonstrated. The objective of this study was to evaluate the role of PKCαafter ovariectomy and estrogen therapy in rat aorta. The results were summarized as below: 1. The significant pathological changes were not observed in the rat aorta irrelevant to ovariectomy and estrogen therapy. 2. The expression of Fas was decreased in the aorta of estrogen-treated rats than that of ovariectomized rats without estrogen therapy. 3. Increased expression of PKCαwas more marked in the aprta of estrogen-treated rats than that of ovariectomized rat without estrogen therapy. In conclusion,PKCαmay be important in signal conduation pathway on the effect of estrogen. Activation of PKCαby estrogen reduced Fas expression, suggesting that PKCαactivation may play a role in protection against atherasclerosis. Further studies are needed to elucidate the role of PKCαafter estrogen therapy.
李學沂,林龍進 慶北大學校 1976 論文集 Vol.21 No.-
In order to investigate the possibility as a dyestuff, the spectra of imidazole azo derivatives were studied in comparison with phenyl azo ones. The λmax of imidazole azo derivatives was 17-23 nm longer wave region than that of phenyl derivatives and it means that imidazole azo dyes have more bathochromic effect than phenly azo dyes. The spectra of substituted 2'-oxyphenyl azo imidazole showed isosbestic points in accordance with the variation of pH range in the methanol-water solution. It will be due to the protonation and deprotonation of dyes in acid-alkali solution. The authors discussed these imidazole azo dervatives on the possibility as a disperse azo dye.
위암 환자의 복강내 투여를 위한 Activated Charcoal-Alginate Bead 제형으로부터 Mitomycin C의 용출 거동
이진호,최선웅,서중기,김동민,정경수,오정연,김진향,노승무,민병무,김용백,김창식,박근성,강대영,송규상,양준묵,조준식,정현용,김학용,인현빈 충남대학교 의과대학 지역사회의학연구소 1998 충남의대잡지 Vol.25 No.1
Locoregional recurrence is the most common type of recurrence in surgical operation of gastric adenocarcinoma, and peritoneal dissemination is one of the most difficult problems in advanced gastric adenocarcinoma treatment. Because the peritoneal cavity is the most common site of the first recurrence after gastric cancer resection, intraperitoneal chemotherapy seems a logical choice for cancer chemotherapy. In this study, Mitomycin C (MMC)-activated charcoal (CH)-alginate (ALG) beads were prepared by the mixtures of CH particles adsorbed with MMC as an anti-cancer drug and aqueous alginate solution. The alginate is recognized as biodegradable, nontoxic, and biocompatible. The release of MMC from the beads in 0.1 M Tris buffer was stable and continuous until about 1 week. The MMC-CH-ALG beads can be applied in the peritoneal cavity for intraperitoneal chemotherapy since they provide a good adhesiveness on the tissue and controlled release pattern of the drugs.
토착형 말라리아 (Plasmodium vivax) 2례
이영진,박도심,정병학 圓光大學校 醫科學硏究所 1997 圓光醫科學 Vol.13 No.1-2
In korea indigenous malaria was known as "Hak-chil" in many centuries and they were disappeared from 1984 to 1992. But indegenous malaria (Plasmodium vivax) was detected in 1993 among soldiers and residents in western parts of the demilitarized zone (DMZ). Nowadays infected cases of indeginous malaria are progressively increased and social problem because infected mosquitos and bloods can transmit to other people. We detected 2 cases of indigenous malaria (P.vivax) that they were worked in western parts of the demilitarized zone (DMZ) during army period few months ago but never went out of korea, received blood products and intravenous drugs. We considered that they were were infected malaria at DMZ.